APA aipamena

Joseph A Pecar. The McGraw-Hill telecommunications factbook. New York: McGraw-Hill.

Chicago Style aipamena

Joseph A Pecar. The McGraw-Hill Telecommunications Factbook. New York: McGraw-Hill.

MLA aipamena

Joseph A Pecar. The McGraw-Hill Telecommunications Factbook. New York: McGraw-Hill.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.